diff --git a/Packages/com.unity.render-pipelines.core/Runtime/PostProcessing/Shaders/LensFlareCommon.hlsl b/Packages/com.unity.render-pipelines.core/Runtime/PostProcessing/Shaders/LensFlareCommon.hlsl
index 699c77bc9b3..d5c7429d65f 100644
--- a/Packages/com.unity.render-pipelines.core/Runtime/PostProcessing/Shaders/LensFlareCommon.hlsl
+++ b/Packages/com.unity.render-pipelines.core/Runtime/PostProcessing/Shaders/LensFlareCommon.hlsl
@@ -121,7 +121,7 @@ float GetOcclusion(float ratio)
         float2 dir = _OcclusionRadius * SampleDiskUniform(Hash(2 * i + 0), Hash(2 * i + 1));
         float2 pos0 = _ScreenPos.xy + dir;
         float2 pos = pos0 * 0.5f + 0.5f;
-#ifdef UNITY_UV_STARTS_AT_TOP
+#if UNITY_UV_STARTS_AT_TOP
         pos.y = 1.0f - pos.y;
 #endif